[coreboot] unexpected exception errors loading vga rom

[Joseph Smith]

>> Do you mean http://www.coreboot.org/Debugging ??
>> I tried that, but the errors are different everytime and not always in
> the
>> exact place so it is hard to put a finger on it using this method.
>>
>>
> Did you try a backtrace in those cases? What did it say?
> 
> Stefan
> 
Here is my GDB dumps they all seem to be related to x86emu but different
every time? Do you see anything useful??

(gdb) file
/home/joe/coreboot-v2/targets/thomson/ip1000/ip1000/fallback/coreboot_ram
Reading symbols from
/home/joe/coreboot-v2/targets/thomson/ip1000/ip1000/fallback/coreboot_ram...(no
debugging symbols found)...done.
(gdb) set remotebaud 115200
(gdb) target remote /dev/ttyS0
Remote debugging using /dev/ttyS0
warning: unrecognized item "S04" in "qSupported" response
0x0000002f in ?? ()
(gdb) bt
#0  0x0000002f in ?? ()
#1  0x00014914 in rdb ()
#2  0x000c4984 in ?? ()
#3  0x00000001 in ?? ()
#4  0x00000007 in ?? ()
#5  0x0000d7ae in x86emuOp_call_near_IMM ()
#6  0x0000002f in ?? ()
#7  0x0000bf73 in X86EMU_exec ()
#8  0x00018e86 in ?? ()
#9  0x00027b6c in ?? ()
#10 0x00000000 in ?? ()


(gdb)  file
/home/joe/coreboot-v2/targets/thomson/ip1000/ip1000/fallback/coreboot_ram
Reading symbols from
/home/joe/coreboot-v2/targets/thomson/ip1000/ip1000/fallback/coreboot_ram...(no
debugging symbols found)...done.
(gdb)  set remotebaud 115200
(gdb)  target remote /dev/ttyS0
Remote debugging using /dev/ttyS0
Ignoring packet error, continuing...
warning: unrecognized item "timeout" in "qSupported" response
0x00014911 in rdb ()
(gdb) bt
#0  0x00014911 in rdb ()
#1  0x000ffff7 in ?? ()
#2  0x00000001 in ?? ()
#3  0x00000007 in ?? ()
#4  0x00000005 in ?? ()
#5  0x00000003 in ?? ()
#6  0x0000002f in ?? ()
#7  0x000ffff7 in ?? ()
#8  0x0000bf73 in X86EMU_exec ()
#9  0x00018e86 in ?? ()
#10 0x00027b6c in ?? ()
#11 0x00000000 in ?? ()


(gdb) file
/home/joe/coreboot-v2/targets/thomson/ip1000/ip1000/fallback/coreboot_ram
Reading symbols from
/home/joe/coreboot-v2/targets/thomson/ip1000/ip1000/fallback/coreboot_ram...(no
debugging symbols found)...done.
(gdb) set remotebaud 115200
(gdb) target remote /dev/ttyS0
Remote debugging using /dev/ttyS0
Ignoring packet error, continuing...
warning: unrecognized item "timeout" in "qSupported" response
0x0000002f in ?? ()
(gdb) bt
#0  0x0000002f in ?? ()
#1  0x000148ff in rdw ()
#2  0x000c63ca in ?? ()
#3  0x00000002 in ?? ()
#4  0x00027b2c in ?? ()
#5  0x0000b75b in fetch_data_word ()
#6  0x000ffff7 in ?? ()
#7  0x0000d981 in x86emuOp_mov_AX_M_IMM ()
#8  0x000c63ca in ?? ()
#9  0x00000001 in ?? ()
#10 0x000000ef in ?? ()
#11 0x0000d95c in x86emuOp_mov_AX_M_IMM ()
#12 0x00000000 in ?? ()

-- 
Thanks,
Joseph Smith
Set-Top-Linux
www.settoplinux.org